title: Allium stent for treatment of ureteral stenosis.
abstract: OBJECTIVE
  The aim of our study is to value the efficacy of self-expanding Allium ureteral stent in the treatment of ureteral stenosis.
  
  
  METHODS
  From 2010 to 2013, we treated 12 patients, aged from 23 to 64 years. Six patients were affected by congenital UPJ obstruction, four patients by iatrogenic unilateral ureteral stenosis and two patients by bilateral ureteral stenosis. All the patients showed hydronephrosis before the stenotic lesion and pain. In all the patients, we use a 30 Fr, 10 cm length self-expanding Allium ureteral stent. The medium follow-up is 10 months after Allium stent removal.
  
  
  RESULTS
  All the patients were immediately free of pain after the procedure. We didn't experience intra, peri and postoperative complications. In all the patients, a complete correction of the stenotic lesion was obtained. No recurrence of stenosis occurred during follow-up.
  
  
  CONCLUSIONS
  Self-expanding allium ureteral stent represents an effective treatment of ureteral stenosis in patients not suitable for surgery.
authors.affiliation: Department of Urology La Sapienza University of Rome, Rome, Italy - carlo.dedominicis@uniroma1.it.
authors.forename: C
authors.initials: C
authors.lastname: Leonardo
authors.forename: M
authors.initials: M
authors.lastname: Salvitti
authors.forename: G
authors.initials: G
authors.lastname: Franco
authors.forename: C
authors.initials: C
authors.lastname: De Nunzio
authors.forename: G
authors.initials: G
authors.lastname: Tuderti
authors.forename: L
authors.initials: L
authors.lastname: Misuraca
authors.forename: I
authors.initials: I
authors.lastname: Sabatini
authors.forename: C
authors.initials: C
authors.lastname: De Dominicis
mesh_terms: D000328:Adult; D000490:Allium; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011474:Prosthesis Design; D015607:Stents; D014517:Ureteral Obstruction / Q000601:surgery*; D013520:Urologic Surgical Procedures / Q000379:methods; D055815:Young Adult